目的 了解专业应用氟化泡沫护齿对学龄前儿童防龋效果.方法 采用随机整群抽样,抽取南宁市幼儿园3岁儿童共2 832名.试验组1 435名采用氟化泡沫护齿,对照组1 397名应用安慰剂,观察两组儿童的龋齿发病情况和不良反应情况.结果 经过3年随访观察,试验组儿童的新增龋率明显低于对照组,且随着氟化泡沫护齿次数的增多试验组和对照组的新增龋率差明显增大.结论 氟化泡沫护齿可有效地预防儿童乳牙龋的发生.%Objective To observe the effect of preventing decayed tooth in preschool children with fluoride foam. Methods Using random cluster sampling, 2 832 cases of Nanning City kindergarten aged 3 children were extract. The experimental group (1 435 cases) used fluoride foam mouthguard, control group (1 397 cases) applicated placebo, children dental caries incidence and adverse reaction were observed in two groups. Results After 3 years of observation, the children of the experiment group increased caries incidence was significantly lower than the control group, and along with fluoride foam mouth-guard increase in the number of the experimental group and the control group of dental caries incidence of the defference significantly increased. Conclusion Fluoride foam dental care can be effective in preventing caries occurrence in children.
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